Primary

• Ichika Usami In love with Akira Kenjo
• Ichika Usami Teammate of Akira Kenjo
• Ichika Usami Teammate of Aoi Tategami
• Ichika Usami Teammate of Himari Arisugawa
• Ichika Usami Teammate of Yukari Kotozume
• Ichika Usami Daughter of Satomi Usami
• Ichika Usami Daughter of Genichirou Usami

Extended

• Akira Kenjo Older Sister of Miku Kenjou
• Satomi Usami Mother of Ichika Usami
• Satomi Usami Wife of Genichirou Usami
• Genichirou Usami Husband of Satomi Usami
• Genichirou Usami Father of Ichika Usami